Record punching machine



Sept. 3, 1940.

A. W. MILLS ET AL RECORD PUNCHING MACHINE Filed Sept. 24. 1938 6/Shee'tS-Sheet 1 V TORS ATTORNEY Y sept. 3, l1940.

A. w. MILLS ET Al.

RECORD PUNCHING MACHINE Filed sept. 24, 1958 I 6 Sheets-Sheet 2 Sept. 3, 1940. A. w. MILLS Er Al.

RECORD PUNCHI'NG MACHINE Filed sept. 24, 193e eshets-sheet s INVJORZZ ma@ C ATToN-EY Sept. 3, 1940. A. w. MILLS Er AL 2,213,557

` RECORD PUNCHING MACHINE Filed Sept. 24, 1938 GvSheets-Sheet 4 Flc-5.8.

I WHfr-" Y l VENTOR Sept 3, 1940'. A. w. MILLS Er Al. f `2,213,567

RECORD PUNC-HI-[NG MACHINE Filed Sept, 24, 1938 6 Sheets-Sheet 5 SKIP-Il Sept. 3, 1940. Y "A, w. MILLS Er AL 2,213,567

- I RECORD PUNCH-ING MACHINE Filed Sept. 24, 1938 6 Sheets-Sheet 6 FIG.15

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@Mimi/wm Mm/mf` 4- "vENToRvs A'TTORNEY Patented Sept. 3, 1940 PA'IENT ori-*ICE J nnoonn PUNCHING MACHINE Albert W. MillsEndicott, and Frank J. Furman,

Vestal, N. Y., assignors to International Business Machines Corporation, New York, N. Y., a corporation of NewYork Application September 24, 1938, Serial No. 231,530

13 Claims.-

'Ihis case relates to apparatus for punching a record sheet with 'data or machine controlling codes or designations.

The punching apparatus of the present invention is suitable for punching any record medium with data or control designations or codes, but is particularly adapted for punching a record sheet or tape -for use in a correspondence machine such as disclosed in copendingapplication Serial No. 133,762. Certain functions of the correspondence machine take longer than other functions. Thus, the 'typing of a character requires a shorter interval than a carriage return, c ase shift, or tabularv spacing operation. 'I'here are other functions of the above-mentioned correspondence machine, such as paragraph identification, manual insert and "end of paragraph functions which also require more time than the normal typing or writing function. All of these functions are designated by codes punched in the tape which are analyzed or read out in succession during travel of the tape. Since some of the functions take longer than others, the analyses of the various codes irequire varying lengths of time to be translated or converted into the functions or operations represented by the codes.

Accordingly, one of the objects of the present invention is to provide `improved means for punching the codes in the record sheet at different distances apart depending on the time required to eect the functions denoted by the codes.

In controlling a writing apparatus such as a typewriter, it is desirable in order to prevent locking of adjacent type bars when operated in rapid succession that the codes controlling. successive operations of adjacent type bars be spaced apart a greater than normal distance in order to provide more time for the operation of one of such adjacent type bars before the other adjacent type bar is successively operated. Also when two successive codes on a tape are the same for causing operation of the same type bar in succession, it is desirable to delay the second of such operations in ord'er to permit the first type bar operation to be completed, in this manner assuring full and proper repeat operations of the same type bar.

Accordingly, it is still another object to control feed of the tape after the punching of the code representing one character in such a manner that a multiple spacing will be effected before the punching of the last code representing the same character.. l

This object is, still further, to prevent selection or punching of a code which is either the same as the previously punched code or which corresponds to a type bar adjacent the type bar corresponding to the previously punched code, unless a special feeding operation is effected to provide a greater than normal spacing between such successive codes.

Broadly, the latter object contemplates the automatic locking of the punching apparatus against a repeat operation before an intermedi- 10 without the scope of the appended claims and 20 irrespective of other specific statements as to the scope of the invention contained herein.

In the drawings; Fig. 1 is a side View of the machine.

Fig.v2 is a detail view of the punching mecha- 25 nism.

Fig. 3 is a section along lines 3--3 of Fig. 2. Fig. 4 is a section on lines 4-4 of Fig. 1. Fig. 5 is a detail view of a locking means for thev punch operation with the parts shown in 30 locking position.

Fig. 6 is similar to Fig. 5 but with the parts in release position.

Fig. 7 is a section along lines 'i--1 of Fig. 1.

Fig. 8 is a plan view of the punches and upper 35 die block therefor. s

Fig. 9 is a detail section along lines 9--9 of Fig. 4.

Fig. 10 is similar to Fig. 9 but with the parts in initial position.

Fig. 11 is a plan view of the code indicating ,40

dial. y

Fig. 12 is a plan view of the feed regulating dial.

Fig. 13 is a plan, detail view of part of the tape 45 I feed control means.

Fig. 14 is a section along lines |4|4 of Fig. 1, and

Fig. 15 shows a portion of a perforated tape.

The machine comprises a base frame and 50 housing l0 to the top of which is hinged, by a pin Il, a bell crank I2 (see Figs. 1 and 4). 'I'he lower vertical arm of the lever I 2 extends into the interior of the base housing while the upper horizontal arm of the lever lies above the top of 55 sembly rigidly fastened to a vertical shaftv III which is journaled in 'a hole provided in the boss I2 near,` the freeend of the horizontal arm of lever I2. Below dial I4, this assembly has a feed regulating dial I6 provided with radial notches I1 in its rim (see Figs. 4 and 12) of lengths dependent on the extent of feed to be imparted to the tape P (see Figs. 1 and 15). Also part of the assembly on shaft I5 is' a disk I8, below the dial I6, and from the bottom of which project concentric rows of spaced apart lugs 'I9 and 20. The spacing between the lugs of each row is such as to provide radial slots for receiving interposers 22 and fixing their location around the disk I8 or in a circumferential direction. The ,outer lugs I9 of they disk I8 are formed with notches 20 to receive a split spring ring 23. The outer ends of' the interposers are formed with upwardly inclined edges 22 so that when the split ring is snapped into position within the notches 20', it wedges against the inclinededges 22 to force the interposers upwardly and inwardly, thus holding the interposers in place. The inner ends of the interposers are notched to receive the rim of a washer 24 (also see Fig. 2) which is part of the assembly fixed to shaft I5. The washer 24 combines with the split ring 23 to fix the positions y of the interposers in a radial direction. A circular band 25 secured to the rim of disk I8, and surrounding split ring 23 and the interposers 22, forms part of the means for locking the machine to prevent successive punchings of the same or positively maintain the shaft assembly in its position of adjustment.

Referring to Fig. 11, the indicating dial u is.v

inscribed at equal distances or equal indicating steps or spaces with the characters and functions to be represented by code punchings in the record tape P. As stated before, the tape is to be punched for controlling a correspondence ma'.- chine including a typewriter which may be of the kind disclosed in Patent No. 1,777,055. In order to enable the punch operator to distinguish the characters that are on adjacent type bars of the typewriter keyboard, these adjacent characters are placed on dial I4 next to each other. In addition to the character codes, the tape is to be punched with control codes and paragraph identifying codes. There are two sets of control indications marked on dial I4, some being duplicate indications, and adjustment of the dial to bring a duplicate indication of either set of controls to the index position defined by pointer I3 will result in the punching of the'same code. Paragraph identifying indications are markedvon lthe dial within the segment designated as "Paragraphs.

When successively punching adjacent type bar characters or repeating the same character punching, itis desirable to provide a greater the housing. To the free end of this horizontal than normal spacing between suchl successive punchings for, reasons previously explained. As will be brought out later, the machine is locked against successive punching of the saine or adjacent characters until an intervening operation has been eected. This intervening operation is intended 'to be accompanied by a skip feed of the tape. To cause vthe skip feed to take place, the operator adjusts dial I4 to bring the indication SK Within either control group to the 4pointer I3. The purpose of providing such duplicate skip indications as well as other duplicate control indications is to enable the operator to turn dial I4 through the shortest possible distance to bring a desired control or skip indication to the pointer I3. The control indications are abbreviated, for convenience, and the various abbreviations designate the controls as follows: MI represents a manual insert code, SK a tape skip feed operation, EP an end of paragraph code, TAB a tabular spacing code, SP a space bar code, CR a carriage return code, SHR a lower case shift code, SH anrupper case shift code, and STR a start read code.

Corresponding to each indication on dial I4 is a notch I1 in the feed regulating dial IB (see Fig. 12). Thus, when an indication on dial I4 is brought opposite pointer I3, the corresponding notch I1 of dial I6 is brought to a feed controlling position. The length'of each notch I1 is determined by the extent of feed to be imparted to the tape P following the punching of the code representing the indication ,corresponding to the notch.

As indicated in Fig, 15, the successive character representing codes on the tape are spaced apart one step or a normal space, and therefore, the character-corresponding notches I1 are marked in Fig. 12' as 1 space." In Fig. 12, the space value of every other notch I1 is indicated, as by appending the value to the indication of the code to which the notch corresponds. Thus,

after an end of paragraph code punching, the

ing of a paragraph code. The paragraph notches I1 have only a 1/2 space valuewhich is not sufficient to completely separate the successive perforations. Thus, in punching a paragraph code, the operator successively effects a plurality of repeat operations, each followed by a 1/2 space, 'causing the series of paragraph designating holes in one'row to overlap and intersect, thereby forming in effect a single elongated hole at each index position of the paragraph code. This is done in order to provide sutllcient time for the paragraph code to be sensed and read out from the tape.

There is one interposer 22 for each indication on dial I4 and each notch I1 on the dial I6. The interposers are provided at their outer ends with long dependent teeth 28, and those teeth on the interposers corresponding to character indications are provided on their lower face with types 29 (see, particularly, Fig. 2) to print the conventional character indication on the tape at the bottom of the column in which the code for the character is punched (see Fig. 15). Successive characters are represented on the tape by their codes and the conventional interpretation thereof printed in successive columns. Thus, the subject matter punched on the tape may be read from It may be noted l v'I'l'iis latter skip notch is used after the punchthe interpretation of the codes along one edge of the tape, as indicated in Fig. l5.

Located along'a radial line with respect to shaft I5 is a column of tenpunches 36 (Figs. 2, 4, and 8) one for each of the ten index positions or perforation receiving positions in a tape col-v umn.' The various codes are designatedv by single or combinational perforations inv the ten index positions. Thus, one or a combination of the punches 30 is operated to punch a column of the tape with a code.

In adjusting the machine to punch a desired ode the-operator turns knob 26 until the indication of the code on dial I4 registers with pointer I3. This positions the interposer 22 corresponding to the code vertically-above the column of punches 30.

Each interposer is formed with interposer or punch-operating lugs 22a differentially arranged along the length of the interposer in accordance with the punches to be operated and the index positions to be perforated for the corresponding code.

column of punches, 'the interposer lugs of the Whenan interposer isaligned with the' vnotch 35 through which a punchrestoring bar 36 passes. Bar 36 is part of a lever 31 pivoted by means of a pin 38 to the side of block 34. Intermediate its length, lever 31 is provided with a horizontal tab 39 having a hole through vwhich freely extends a screw 40 rigidly dependent from the bottom of washer 24 ofthe rotatable assembly fastened to vertical shaft I5. Carried by screw 40 below tab 39 are nuts 4I.

, The entire assembly rigidly carried by shaft I5 is rotatable with respect to lever I2, but the shaft and its assembly are mounted on the lever for rocking movement therewith about hinge pin I I. The lever I2 and the assembly carried thereby are normally held at the clockwise limitl (as viewed in Fig. 4) by a coil spring 42 connecting the lower vertical lever arm to the frame. In this normal position of lever I2, the` nuts 4I on screw 40 are abutting tab 39 of lever 31 to maintain the latter in upper position. With lever 31 in its elevated position, restoring bar 36 is acting on the upper shoulders of notches 35 in punches 30 to hold the punches in upper restored position (see Fig. 3). Upon depression of lever I2 and the rotatable assembly carried therewith by downward pressure on hand knob 26,

the nuts 4I on screw 40 move downwardly, away from tab 39, permitting lever 35 and restoring bar 36 to drop andthe punches to fall lightly on the surface of the tape and rest thereon until the interposer lugs 22a on the aligned interposer 22 strike the upper ends of one or more of the punches and force them through the tape. As the interposer in punch operating position moves down, the lower beveled end of its long tooth 28 moves between a pair of prongs 33a (Figs. 2 and 8) and positively alines the interposer and locks it in alined position with respect to the punch column. This happens before the inter-l poser lugs 22a strike the punches. As the punches penetrate the tape, the type 29 of the interposer, if corresponding to a character code,

v lprints the interpretation of the code on the tape.

,55 and 56 (see Figs. l and '7).

The punches pass through the tape and into alined die holes 44 of a lower punch die block 45 fastened to the top of base frame I0 (see Fig. 7). Upon the return stroke of lever I2, shaft I 5 and the assembly thereon rise, causing nuts 4I to engage tab 39 and restore lever 31 and bar 36` thus stripping the punches from the tape and returning the punches to normal elevated positions. The upper surface of die plate 45 forms part of the supporting surface for the tape P. To the right of die plate 45 (as viewed in Fig. 7) is a plate 46 also fastened to the top of base frame I and forming a supporting surface for the tape as it is fed to the punches. Fastened to the right end of plate 46 is an upper guide plate 41 for the tape. To the left of the guide plate 41, the plate 46 has two upright pins 48 for locating a removable bar 49 for pressing on the surface of the tape to maintain it taut during feeding. To die plate 45 is fastened an upper guide plate 50 for the tape.

Record sheet or tape P is supplied in the form of a roll carried by a spool lI mounted between the sides of a frame'52 secured to the right hand' the punches and dies, over the die plate 45,

and through the passage formed between the die plateand upper guide plate 50. After being led past the latter passage, the tape is wound on a take-up spool comprising the usual side anges The spool is journaled on studs 51 and 58. Stud 51 is carried by one side of a U-shaped frame 59 secured to the left hand end of base frame I0 while stud 58 is at the front end of a shaft 60 which is rotatably carried by the` other side of frame 59. Secured to the inner end of shaft 60 is a driving lever 6I provided at one end with a stud 62 and at the other end with an oppositely extending stud 63. Stud 62 ts into a hole in spool iiange 56 while stud 63 projects into a hole in a ratchet disc 64 which is mounted for movement about the same coincident axis as the takeup spool and shaft 60. A spring 65 between crank lever 6I and the bearing collar for shaft 60 normally urges shaft 60 and its crank lever 6I towards the flange 56 of the take-up spool, thus maintaining stud 62 engaged with iiange 56. The outer end of shaft 68 is provided with a hand knob 66. By pulling outwardly on knob 66, shaft 60 and lever 6I carried thereby may be retracted against resistance of spring 65, thereby withdrawing stud 62 and bearing stud 58 from flange 56, leaving the spool free to be removed from the machine. In a similar manner,

when inserting the spool, shaft 66 is retracted to allow the spool to be positioned between studs 51 and 58, after which the shaft 60 is brought forward by spring 65 to normal position for engaging stud 58 and stud 62 with the iiange 56 of the spool. Referring to Figs, l and 7, a crank handle 68 is mounted for rotation concentrically withshaft 60 and the take-up spool. A hair pin spring 69 secured at one end to stud 10 on frame 58 and at the other end to a stud -1I on the crank handle 68 normally urges the crank handle clockwise (Fig. 1). Handle 68 pivotally carries a. feed pawl 12, the nose of which is adapted to coact with the teeth of ratchet disc 64.

ing pawl 13 for preventing reverse movement of th'e ratchet disc. When the handle 68 is in its rearmost position, the tail 12' of pawl 12 is against the stud 10 which thereby holds the pawl in a counterclockwise position (Fig. 1) against the resistance of a spring 14 which is urging the pawl nose against the ratchet teeth. Pivotally connected to handle 88 is one end of a feed control link 15 (Figs. 1, 13, and 14), the other, forward end of which is formed with a lower projection 18 (Fig. 1) resting on top of the interposer carrying disc I8. The forward end of link 15 is also formed with an upper horizontally projecting tab 11 which rests on top of the' notched feed regulating dial I8. Thus, link 15 is constrained by engagement of tab 11 and projection 18 with dial I8 and disc I8, respectively, to move up or down, at the front end, with the rotatable assembly on shaft I5 during the vertical movements of the assembly. Between projection 16 and tab 11, link 15 has a vertical, intermediate straight tooth portion 15 adapted to enter any of the notches I1,of dial I6. When the bell crank lever I2 is in normal clockwise position, the portions of dial I 8 and disc I8 engaged with the forward end of link 15 are in elevated position and have correspondingly raised the forward end of the link. The angle of the dial I6 is then such that a portion thereof between consecutive notches I1 is straddled by projection 16 and tab 11 of link 15 and the tooth 15 thereof is between two notches I1 and against an uncut rim portion of dial I6. Link 15 is provided with a recess or notch 18 into which a latch plate 19 is adapted to move. The latch plate 19 is pivotally carried by a bracket secured to the top of tape guiding plate 50. Bracket 88 is provided with a vertical extension 8l (Figs, '7, 13, and 14) formed with a slot 82 open at its upper end and through which the link 15 passes. Slot 82 serves as a guide for limiting lateral movement of link 15. A spring 83 between the bracket 80 and latch plate 19 normally urges the latter clockwise to a limit de termined by engagement of the tail of plate 19 with lug 80 of bracket 80 (see Fig. 14). When link 15 is in rearmost,'normally raised position, the latching end of latch plate 19 intrudes into notch 18 of the link and prevents forward movement thereof. With link 15 in this retracted and latched position, crankv handle 88 is also at its rearmost limit and the tail 12' of pawl 12 is against stud 18 so that the nose of the pawl is disengaged from the teeth of ratchet ldisc 64.

Upon depression of the horizontal arm of lever I2 to effect punching, dials I4 and I6 and disc I8 are lowered and by coaction with portions 18 and 11 of link 15 force the forward end of the link down, bringing the notch 18 of the link out of engagement with latch plate 19. This permits the link 15 and connected crank handle 88 to move forward under the influence of hair pin spring 89. As a result, notch 18 of the link moves to the right (Fig. 13) of latch plate 19 so that a high, uncut portion of the link underlies the latch plate, which, therefore, is now unable to latch the link until the latter is returned to the left. Also, as handle 68 moved slightly forward, the tail of pawl 12 withdrew from stud 10, enabling spring 14 to rock the pawl nose into engagement with the teeth of ratchet disc 84. The force required to rotate disc 64 and the takeup spool for feeding tape P is greater than the force supplied to the ratchet pawl 12 by hair -tion 8| of bracket 80 (see Fig. 14).

Also cooperating with the ratchet disc is a hold.

pin spring 88. As a result, when pawl 12 engages ratchet disc 84 the latter stops further forward, clockwise movement of crank handle 88 and link 15. As dial I8 is depressed, its portion engaged with projections 18 and 11 of link 15 moves angularly and by so doing, slides relatively to the forward end of link 15 to bring the notch I1 initially behind the tooth portion 15', into alinement with the latter. As this downward movement of the dial I8 has also resulted in releasing link 15 from latch 19 to enable spring 89 to movethe link slightly to the right, the tooth portion 15' will enter the notch I1 as the latter is alined therewith. Link 15 is now in position where it may be moved into the alined notch I1 to the closed end thereof, but this movement is not effected until after the punch operation. As explained before, as notch I1, correspondsto one of the interposers 22, and therefore to one of the codes to be punched, when the assembly on shaft I5 was turned to bring a selected interposer into punch operating position, the corresponding notch I1 was brought into position for coaction with link 15 upon depression of the assembly. As lever I2 is fully operated to effect punching, the forward end or tooth 15 of link 15 enters the alined notch I1 ready to be moved to the closed end of the notch. As a result of tooth 15' moving into the notch I1, the assembly on shaft I5 is locked against further rotation and Vmay not be shifted from its punch selecting position until .the tooth 15' is withdrawn from the notch I1 corresponding to the punch selection, and this is not done until after a paper feed is effected following the completion of the punching operation.

After the punching operation, lever I2 is restored by spring 42 (Fig. 4), causing dial I8 and disk I8 to rise. Disk I8 through engagement with link projection 18 also raises the front end of the link, but the link having moved forwardly, its notch 18 is not in position tob'e latched by plate 19. As dial I6 rises, it returns angularly to its previous position and in so doing forces the tooth portion 15 of the link, now within the notch, to -move laterally. In the raised `position of the forward end of the link, the lateral movement thereof is permitted by the widened upper portion of guide slot 82 in por- Since notch 18 is now ahead of latch 19, link 15 is free, to move forwardly. Now, with the assembly on dial I5 returned to normal after the punching operation, crank handle 88 is rocked clockwise (Fig. l) by the operator to move link 15 forwardly to the limit determined by the depth of the alined notch I1. During this movement of handle 88, its pawl 12 acts on ratchet disk 84 to move driving lever 8| and through the latter to rotate the takeup spool, thereby feeding the tape P `to an extent determined by the depth of the notch I 1 into which the link 15 is moved. In this manner, the extent of feed of tape P is determined by the-depth of the notch I1 corresponding to the code which has just been punched into the tape.

After the handle 68 has been moved forwardly to the limit determined by the notch I1 in control position, the handle is retracted to its rearmost, initial position, in which pawl 12 is disengaged from ratchet disk 84. Link 15, retracted by handle 68. is latched by latch plate 19 in initial position, thereby also latching handle 68 in initial position. In the rear, latched position of link 15, its front tooth end 15' is completely outv of the notch I1. As soon as the tooth end 15' leaves the notch, link 15 springs back laterally to its initial plane on which the tooth end is out of line with any of notches I1 of dial I6. It may be noted that the take-up spool may be rotated clockwise (Fig. 1) by turning knob 66 of shaft 60, which through drive 6| will turn the spool and the ratchet 64 independently of crank handle 6 8 and pawl 12.V

The lower vertical arm of bell crank I2 extends into base frame I0 and itsxlower end is located between adjustable-stops. (Figs. 4 and 9) which limit the forward and return strokes of the assembly carried by lever I2. vPivotally conlnected to the .lowerarm' of lever |2 is one end of a link 8 9v which engages a pin 9| of a lever 92 by which a' lever 96' is latchd. Lever 96 pivotally carries an arm 98 provided with a platen disk 99 (Fig. 7)'. When hand lever I2 is rocked anti-clockwise, link 89 moves to the right (Fig. 4), rocking lever 92 clockwise to release lever 96 for clockwise operation by a spring 91. Lever 96 moves arm 98 upwardly to impel platen disk 99 towards the type 29 of the interposer in punching position. When lever I2 is returned, link 89 is restored to the left, rocking a pivotally connected lever |02 clockwise to replace lever 96 into latching engagement with lever. 92.

The imprint is effected through a length of ink ribbon R threaded through a guide comb |05 (see Fig. 7) provided at the upper end of a bail |06 pivoted at |01 to a bracket |08 (see Fig. v4). A rod |09 extends between the sides of bail |06 to stiften thevbail. One end of a spring I'I0 is connected to rod ||09 and the opposite end to link 89. In the initial position of thelink, its left end abuts rod |09, thereby keeping bail |06 in counterclockwise position with the ribbon guide comb |05 retracted to hold and locate the ribbon length threaded therethrough externally of and to one side of the tape P. Thus, during feed of the tape, the ribbon is remote therefrom so as to expose the edge of the tape on which the interpretation of the punched codes is printed, enabling the operator to read the printing interpretation so as to check the accuracy of the tape punching. Incidentally, the ribbon being remote from the tape' during feeding of the latter does not tend to interfere with the tape feed or to smudge' the tape. Upon the forwardstroke of lever I2, link 89 moves to the right (Fig. 4) and spring causes bail |06 to rock clockwise, bringing the comb and the ribbon length to theright (Fig. 4) land aboveone edge of the tape P. The ribbon length moves above tape P and betweenpiaten wheel 99 and the type 29 of the interposer in punching positionbefore this interposer completes its downward movement. As the lever |2 completes its-forward stroke and the interposer lugs 22a are driving punches 30 through the tape, link 89 trips latch lever 92 from lever 96 causing the platen'wheel 99 to strike the ribbon length now `between the platen wheel and the type 29 on the active interposer, thus causing printing of the character corresponding to the code which is punched under control of this interposer on the tape. On the 4return stroke of lever I2, the left hand end of the guide comb and then downwardly and through a Slot in the other arm of lever ||5 and back to the other ribbon spool. Suitable connections are provided between link 89 and the rib. bon spools for causing feed of the ribbon in one direction upon each operation of hand lever |2. Suitable means are also provided to yreverse the direction of ribbon feed. y

To prevent a repeat depression of lever 2 unless the rotatable assembly on shaft I5 has been rotated at least two indicating steps, means are provided to lock lever' I2 against a second depression before such rotation oi the assembly is effected. .The locking means comprises a vertically disposed lever |32 (see Figs. 4, 5, 6, 9, and' pivotally lcarried by the vertical arm of lever I2 by means of aplvot pin |33. The upper end of lever 32 is bent forwardly and horizontally to provide a tab |34 formed with a hole seating a ball I 35 whichy is confined between the lower edge of band `25 of the rotatable assembly and the top 36 of a plunger pin 31. The plunger pin is slidably guided for vertical movement in the lower arm of lever I2 and is urged upwardly by a coil spring 38 surrounding the pin. The lower end of lever |82 is formed with a V notch |39 for coacting with a frame projection |40. The parts |32 to |38 are mounted on and move with the lever I2. Thus, in a normal clockwise position of lever I2, the lever |32 and the pin |31 will be in raised positions and the V notch |39 in the lower end of lever |32 will be substantially clear of the frame projectionI40. Prior to a depression of lever I2 and with the parts in normal position,

lever |32` will be inclined about its pivot |33 with one side of its V notch |39 just engaged with the side of frame projection |40 as indicated in Fig. 10. As the lever |32 is in inclined position, its upper tabA |34 is holding ball |35 Aalong a line inclined with respect to the axis oi' pin |31, and in this position of ball |35, it is to one side of the central high portion of the head |36 of plunger |31 and above the depressed beveled, annular rim of the head |36. As the ball |35 moved to this inclined position, spring |38 was permitted to raise the pin 31 until the beveled rim of the head |36 of the pin engaged the ball and forced it against the lower edge of band |25. As pin 31 is thus in elevatedposition/under the influence of spring |38, as permitted by the off center position of ball |35, the lower end of the pin is above the inclined top of the projection |4| of a lever |42 which is urged upwardly by a spring |43. Now with the parts in lthis position, lever I2 is free to rock counterclockwise (as viewed in Fig. 4) to effect the punching and printing operation. Duringthis movement of lever I2, the lever |32 moves downwardly and an inclined edge of its lower V notch |39 cams against the frame projection '|40' to bring the lever |32 to a central and vertical position (as indicated in Fig. 9). Not only does the lever |32 move downwardly during counterclockwise action of lever I2 but also rearwardly, or tothe right, and similarly the lower end of plunger pin I 31 also moves downwardly and to the right, thus disposing its lower end directly above the top of projection |4| of lever |42, as indicated in Fig. 4. As lever |82 moved to its central vertical position, its upper tab |34 brought wall |35 into alinement with the vertical axis of the plunger pin 31, and the ball during this movement rode up on the beveled rim of the head-|36 of pin 31 untilit was centered on top of the high portion of head |36. Because o'f this action of ball |35, aided by the fact that the lower edge of band 25 engaged with the ball also has moved downwardly, the plunger pin |31 is depressed against resistance of spring |38 and the lower end of the plunger pin acts on the top of projection I4I of lever |42 to lower the lever against resistance of spring |43. i

Having operated the lever I2 counterclockwise (Fig. 4) to eiect the punching and printing operationand as a consequence of which the plunger pin |31 is now on top of projection I4I of lever |42 and the vertical lever |32 is now in central vertical position, the operator permits spring 42 to return lever I2 clockwise to its initial position. During this movement of lever I2, plunger pin |38 moves clockwise so that its lower end moves towards the left while lever |32 remains in its vertical, centered position keeping the ball |35 on the high central part of plunger head |36. As the lower end of pin |31 moves to the left, it moves along the inclined top of projection I4I of lever |42 until it passes the left edge of the pro-` jection whereupon spring |43, which' had been previously stretched by the action of pin |31 in depressing lever |42, is permitted to return lever |42 to its normal clockwisel position. This brings the left end of projection |4I behind and to the right of the lower end of pin I 31 which is prevented from rising by the ball |35 now sitting on top of the plunger head I 36. Lever I4I of lever |42 is now behind the lower end of pin |31 and the upper edge of the projection is higher than the lower edge of the pin (see Fig. 5).

Lever I2 is now locked against. a second successive depression because any attempt to move lever I2 counterclockwise to effect the punching and printing operation is prevented by the lower end of pin |31 abutting the front edge of projection I4| of lever |42. Since thecounterclockwise action of lever I2 must result in movement of the lower end of pin |31 towards the right (Fig. 5) and since such movement of the lower end of pin |31 is now prevented by engagement with projection I4I of lever |42, it is clear that the lever I2 cannot be now rocked counterclockwise to effect the punching and/or printing operation. In order to unlock lever I2 for a second operation, ball |35 must be first brought oil the central high portion of plunger headI |36 andsto an inclined position above the beveled rim of the plunger head. In this latter position of the ball,

spring |38 is free to raise the plunger pin |31 toan extent suilicient to bring the lower end of the plunger pin above the top of projection I4I of lever |42, so that the projection I4I will no longer be in the path of movement to the right of the lower end of the pin |31, as indicated in Fig. 6. To bring the ball |35 to this olf center, release position, the rotatable assembly on shaft I5 must be rotated at least two indicating steps. Upon rotation of the assembly by turning hand knob 23, the lower edge of band 25 acts on ball |35 and through friction moves the ball in the same direction as the direction of rotation of the band. If band 25 is given only one indicating step of rotation, the ball |35 will still remain on top of the central highY portion of plunger head |36. It requires at least twolndicating steps of rotation of band 25 to bring ball |35 oft' the high portion of the head |36 and above and in inclined position with respect to the beveled depressed rim of the plunger head.- As ball |35 is moved to an off center release position by frictional engagement with the band 25, the ball through its seat vin the tab |34 of lever |32 rocks the lever to an'inclined position. Lever code .and/or printing. It is clear now that the same character code or character codes having adjacent indications on dial I4 cannot be successively punched in the tape by successive operations of lever I2 unless an intermediate operation is effected. The lockingof the lever I2 against a second operation after a character code has been punched indicates to the operator that he is attempting to repeat the punching-of the same character code or the punching of a character corresponding to a character on a' type bar adjacent the type bar to which the previously punched character code corresponds.

The operator will then rotate dial I4 to bring either skip indication SK, within either set of controls, to pointer I3. In so doing, the dial is rotated at least two indicating steps since the closest distance between an SK indication and the nearest character indication is two indicating steps. 'I'his will therefore release the lever I2 for a second operation. The interposer corresponding to the SK indications has no punch actuating lugs nor any type, and depression of the assembly on shaft I5 withvan SK indication in index position will not result in punching or printing. However, with the SK indication in index position, a notch I1 of feed regulating dial I6 will be in position for coaction with feed control link 15 (see Figs. 1, 13, and 14) and the reciprocation of crank handle 38 will cause a feed of the tape determined by the length of the latter notch I1. 'I'he length of the aforementioned SK indications corresponds -to one space (see Fig. 12). In above manner, after the punching of a character code the lever I2 is locked against operation until the rotatable assembly has been moved at least two steps. In accordance with this plan of operation the operator will operate the machine to. effect an intermediate tape feed equal to one space (see Fig. 15) before the successive punching of the same character code or an adjacent character code.

In perforating the tape with paragraph identication codes, an intermediate' skip between the repeat punchings of the paragraph perforations is notdesired as these perforations at each indexjpositionA of the code must overlap to form, in eifect, one continuous long perforation. Accordingly, after each operation of lever I2 to punch a paragraph identifying code, the operator will turn the-assembly on dial I5 two steps in either direction and then return the assembly to the same paragraph indication and repeat the punching. This is done until the paragraph code has been punched in succession about six times to form one long perforation at each index posi- .and operation of crank handle 33 will cause a ilong feed of the tape .following the punching of a paragraph designation.

.It may be understood from Figs. 4, 7, and 15, that one half the width of the tape is punched during one run of the tape through the machine. The other half ofthe tape may also be punched to provide desired control and character codes by reversing the tape and sending it through the machine with its reverse surface facing upwardly. The interpretation of the codes on this reverse surface will be on the opposite surface of the interpretation of the codes on the other half of the tape.

While there has been shown and described and pointed out the fundamental novel features of the invention as applied to a single modification.

itwill be understood that various omissions and substitutions and changes in the form and details of the device illustrated and in its operation may be made by those skilled in the art Without departing from the spirit of the invention. It is the intention, therefore, to be limited only as indicated by the scope of the following claims.

What'is claimed is:

1. In combination, means to punch record material with various indications, means automatically eifective after a punching operation to prevent repeat punching, means to feed the material variable amounts past the punching means, feed regulating means having different feed regulating positions, in each of which the feed regulating means coacts with a part of thefeeding means to determine an amount of feed to be given to the material by the feeding means, and means operative upon shifting of the feed regulating means fromone of the feed regulating positions to an other, suitable feed regulating position for rendering the repeat preventing means ineffective.

2. In combination; punching means to punch coded designations in record material, a reciprocatable carrier, a shaft mounted thereon for rotation and for common reciprocation therewith, a feed regulating device fixed to the shaft, punch interponent means fixed to the shaft, rotative adjustment of the shaft adjusting the punch interponent means for selective coaction with the punching means and jointlyadjusting the feed regulating device, material feeding means controlled by the feed regulating device for variously feeding the material in accordance with the adjustment of the feed regulating device, reciprocation of the carrier causing the interponent means to operate the punching means in accordance with adjustment of the interponent means, and means for preventing a successive operation of the punching means before a predetermined rotation of the shaft has been effected following a punching operation.

3. In a punching machine; punching means to' perforate a record sheet with designations, designation selecting means, operating means to effect operation of the punching means under control of thc'selecting means to punch the sheet with selected designations, feeding mechanism for the sheet, a manual actuator for the feeding mechanism operable separately from the aforesaid operating means, means detaining operation of the actuator prior to a punching operation, and means operable as an incident to the punching means for releasing the detaining means to enable the actuator to be operated rfor feeding the sheet after a punching operation.

4. In a punching machine, punching means to perforate a record sheet with designations, mechanism to feed the sheet after a punching operation, a manual actuator for the feed mechanism, variable feed regulating means settable in accordance with the extent of feed to be effected following the punching operation and normally out of correlationl with the actuator, operating means operated separately and'apart from the aforesaid actuator for effecting operation of the punching means to punch the sheet with a designation and, as an incident to the punching operatien, bringing the feed regulating means into correlation with the actuator for governing the extent of feed effected by the actuator after the punching operation. v

5. In a punching machine; means to punch a record sheet with designations, designation selecting elements selectively settable in punching control position, a feed regulating element rigidly paired with each selecting element to be' set in a feed control position coincidentally with the setting of the paired selecting element in punching control position. feed means for the sheet including a part adapted to interflt and coact with the feed regulating element in feed control position for determining the extent of feed to be imparted to the sheet following a punching operation, and operating means effective. at the beginning of its operation to cause the said part to intert with the feed regulating element in feed control position so as to aline the paired selecting element in punching control position and prevent the paired elements from being displaced out of their respective control positions, and effective during continued operation to effect operation of the punching means under control of the selecting means in punching control position 6. In a punching machine; means to punch 'a record sheet with designations, feed means for feeding the sheet after a punching operation and including a feed control part, feed regulating means including a feed regulating element adapted for coaction with said partv to determine the extent of feed imparted to the sheet by the feed means, said element being transversely displaced from said feed control part prior to a punching operation, and means to operate the punching means to punch the sheet and, as an incident to the punching operation, transversely moving the feed regulating element into coacting position with respect to said feed control part.

7. In a punching machine; mea'ns to punch a record sheet with designations, feed means to feed the sheet after a punching operation, feed regulating means comprising a rotatable disk having feed regulating notches of different depths in the rim and selectively settable by rotation of the disk into afeed regulating position, said feed means having a part adapted to move into the selected notch to determine feeding operation to the extent depending on the depth of the notch, said selected notch being normally out of line with the said part, means for mounting the disk for bodily rockable movement, and operating means for operatig the punching means and, as an incident to the punching operation, rocking the disk to bring the selected notch into line with the said part so 'as to enable movement of the part into the notch.

8. In a punching machine, means to punch a record sheet with designations, a plurality of designation selecting elements, each reciprocatable from and back to a home position to cause operation of the punching means to punch a diierent designation, means automatically operating caused by reciprocation of any said selecting element as .an incident to the punching operation and eective after the latter selecting element has been restored to home position for releasably preventing a repeat reciprocation of the said active selecting element, and means to render the preventing means ineffective- 9. In a punching machine, means to punch a record sheet with designations, a plurality of designation selecting elements, a common operating device to operate the punching means under control of any selected one of the said elements, a latch engageabie with the common operating device and operable as an incident to the punching operation for releasably preventing repeat punching under control of the same or an adjacent selecting element, and means for releasing the latch from restraining eiect on the common operating device.

l0. In a punching machine, means to punch a record with indications, selecting means movable across the punching means to select diilerent indicationsto be punched, reciprocatable means to eilect punching of the selected indications, a

latching device to latch the reciprocatable means against repeat operation after one reciprocation thereof, and means operated by movement of the selecting. means across the punching means for releasing said latching device from the reciprocatable means to enable the latter to perform a successive reciprocation.

11. In a punching machine. means to punch a record sheet with indications, a rotatable interposer contrivance including a plurality of spaced punch interponents, each for causing the punching of a diii'erent indication, a latching device including a pair of interengageable elements normally disengaged from each other. means to reciprocate the interposer contrivance to eifect punching of a selected indication, means operated by reciprocation of the interposer contrivance for causing the aforesaid elements to nterengage and thereby to vlatch said contrivance against a repeat reciprocation. and means connected to the contrivance and operating. as an incident to rotation of the contrivance in making a' new selection, to release the elements 'from latching interengagement.

12. In a punchingmachine. means to punch a record sheet with indications, means to select different indications to be punched, a common manual device operable to enect punching;r operation after selection of any indication, means to prevent a repeat operation of the manual device, and means to release the preventing means as an automatic incident to a new selection being effected by the selecting means.

13. In a punching machine, means to punch a. record sheet with designations, a plurality of designation selecting elements, each reciprocatable to cause punching of a diiferent designation,

means to feed the sheet a variableextent after a punching operation, feed control means variably settable prior to and independently of operation of the feed means for coacting, according to its setting, with a part of the feed means, during operation of the latter, to determine the extent of feed to be imparted to the sheet by the feeding means, means automatically preventing repeat punching after restoration of the active selecting element, 'and means operable as anA automatic incident to the making ot a change in the setting' of the feed regulating means for releasing the preventing means.

ALBERT W. BULLE. FRANKJ.

CERTIFICATE OF CORRECTION,`v Patent No. 2,215,567. September 5`, 1911.0.

' ALBERT w. MILLS, ET ALL It is hereby certified thatlerror appears in the printed specification of theabove numbered p'atent requiring correction as follows: AIjage Y, sec# ondeolumn, line 6b., claims?, for "operatig" read J-operating-f--g page 8,

. first column, lines l and 2, claign 8,' strike out asan 'incident to the punching operation" and insert the same before ."caused", page?, second co1umn, line 75; andi.' that the said Letters Patent should be read.- With-this correction'therein that the same may conform 4to the'nreiiclsorci olf the calseV in .'A- the PatentDff-ice.

signed and sealed this 8th dayof otener, A.' D; 191m;-

\ Henry Ven Arda1`e, (Seal) l l Acting Commissionejof Patents. 

